Remember the Zendrum Zap?
Here’s a demo of the Zap in action. All sounds triggered from an E-mu PX-7.
More info at the Zendrum site.

The ZAP (Zendrum Articulating Programmer) is a compact stationary MIDI controller designed with a smaller footprint specifically to fit in tight spaces and studio environments.
Four adjustable threaded feet customize the playing angle for desktop workstation beats. It can be mounted to a snare stand (via optional universal adapter) for live playing situations. Solid heavyweight wood [...]

At several booths at the recent 2006 Winter NAMM Show, we saw demonstrators using the Zendrum MIDI controller to trigger percussion virtual instruments.
The Zendrum is a cool, trigger-laden controller. They atart at about $1200, and have several options for custom finishes.
Description:
The Zendrum is a MIDI (Musical Instrument Digital Interface) triggering controller designed by drummers to [...]